<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>02_类组件</title>
  </head>
  <body>
    <div id="app"></div>

    <!-- 导入 react 主库 -->
    <script src="../js/react.development.js"></script>
    <!-- 导入 reactDom 扩展库 -->
    <script src="../js/react-dom.development.js"></script>
    <!-- 导入 babel 用于将jsx转为js -->
    <script src="../js/babel.min.js"></script>

    <script type="text/babel">
      class Person extends React.Component {

        constructor(props) {
            super(props)
            this.demo = this.changeName.bind(this)
        }
        state = {
          name: true,
        };
        
        changeName() {
            this.setState({
                name: !this.state.name
            })
        }

        render() {
            console.log(this);
          let { name } = this.state;
          return (
            <div>
              <div>{name ? "男神" : "屌毛"}</div>
              <button onClick={this.demo}>改变</button>
            </div>
          );
        }
      }
      ReactDOM.render(<Person />, document.getElementById("app"));
    </script>
  </body>
</html>
